Perhaps you should try some spelling variations:
urbanen bias » urban bias
way evolving » haj evolving, map evolving, pass evolving
des urbanen » der urbanen
bias model » bfs model, bns model, pgas model
model way » model why, models ways, model what
yang yi » yang xi, yang jui
wang » wing, lang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((((wang OR wan) yan) or (yang yi))) or (yang di))ng des urbanen bias model way evolving role ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((wang OR wan) yan) OR (yang yi))) OR (yang di))ng des urbanen bias model way evolving role ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((wang OR wan) yan) or (yang yi))) or (yang di))ng des urbanen bias model way evolving role ;*".